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Finding the Fourth Proportional to 343,171.01, 514,838.23 and 118,533.31

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Solution

The fourth proportional to 343,171.01, 514,838.23 and 118,533.31 is: 177,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,171.01 : 514,838.23 = 118,533.31 : x
  2. Step 2: Convert to fraction form
    343,171.01/514,838.23 = 118,533.31/x
  3. Step 3: Cross multiply
    343,171.01x = 514,838.23 × 118,533.31
  4. Step 4: Simplify right side
    343,171.01x = 61,025,477,933.01
  5. Step 5: Solve for x
    x = 61,025,477,933.01/343,171.01
  6. Step 6: Final answer
    x = 177,828.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.